theming.py 文件源码

def get_options(self, overrides):
        """Return a dictionary of theme options and their values."""
        chain = [self.themeconf]
        base = self.base
        while base is not None:
            chain.append(base.themeconf)
            base = base.base
        options = {}
        for conf in reversed(chain):
            try:
                options.update(conf.items('options'))
            except configparser.NoSectionError:
                pass
        for option, value in iteritems(overrides):
            if option not in options:
                raise ThemeError('unsupported theme option %r given' % option)
            options[option] = value
        return options